var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __param = (this && this.__param) || function (paramIndex, decorator) {
    return function (target, key) { decorator(target, key, paramIndex); }
};
function Log(target, key, parameterIndex) {
    var paramName = key || target.prototype.constructor.name;
    console.log(target); //指向类 Car
    console.log(key); //指向函数名 add
    console.log(parameterIndex); //第几个参数,从0开始,值为:1
}
var Car = /** @class */ (function () {
    function Car() {
    }
    Car.prototype.add = function (val1, val2) {
        this.nameA = val1 + val2;
    };
    __decorate([
        __param(1, Log)
    ], Car.prototype, "add", null);
    return Car;
}());
